Element of a construction set



FIG. 1 is a top perspective view of the element of a construction set of the present design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof, the rear view as well as the right and left side views being identical;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an element of a construction set, as shown and described. 